71912630986 has 24 divisors (see below), whose sum is σ = 125498120256. Its totient is φ = 30815298360.

The previous prime is 71912630953. The next prime is 71912631001. The reversal of 71912630986 is 68903621917.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 690991 + ... + 788221.

It is an arithmetic number, because the mean of its divisors is an integer number (5229088344).

Almost surely, 2^71912630986 is an apocalyptic number.

71912630986 is a deficient number, since it is larger than the sum of its proper divisors (53585489270).

71912630986 is a wasteful number, since it uses less digits than its factorization.

71912630986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104794 (or 104787 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 52.

The spelling of 71912630986 in words is "seventy-one billion, nine hundred twelve million, six hundred thirty thousand, nine hundred eighty-six".